United States, Wisconsin, Ozaukee, Mequon; Near E shore of Milwaukee River. 4mi N of Brown Deer Rd. [Hwy 100] On the upper river road. [about 1mi E of Mequon] [Milwaukee Co.- original in error]
Found gorwing on gravel bar near shore of river.
One mat about 3 feet in diam. [Dupl. accession no.- editor added "a"].